(19)

(11)

EP 2 628 020 A1

(12)

(43) Date of publication: 21.08.2013 Bulletin 2013/34 (21) Application number: 11784734.3 (22) Date of filing: 10.10.2011

(51) International Patent Classification (IPC):  G01S 7/41(2006.01) G01S 7/28(2006.01) G01S 13/91(2006.01) (86) International application number: PCT/GB2011/001462 (87) International publication number: WO 2012/049450 (19.04.2012 Gazette 2012/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 12.10.2010 GB 201017210 (71) Applicant: TMD Technologies Limited Hayes, Middlesex UB3 1DQ (GB)	(72) Inventor: WARD, Keith Douglas Hayes Middlesex UB3 1DQ (GB) (74) Representative: Beresford, Keith Denis Lewis et al Beresford & Co. 16 High Holborn London WC1V 6BX London WC1V 6BX (GB)